<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>测试</title>
</head>
<body>
<form action="/index" method="post" enctype="multipart/form-data">
<ul>
    <li>
        用户名
        <input type="text" placeholder="请输入用户名">
    </li>
    <li>
        密码
        <input type="password" placeholder="请输入密码">
    </li>
    <li>
        年龄
        <input type="number">
    </li>
    <li>
        性别
        <label><input type="radio" value="男" name="sex">男</label>
        <label><input type="radio" value="女" name="sex">女</label>
    </li>
    <li>
        爱好
        <input id="id-paly-ball" type="checkbox" value="打球">
        <label for="id-paly-ball">打球</label>
        <input id="id-paly" type="checkbox" value="玩耍">
        <label for="id-paly">玩耍</label>
    </li>
</ul>
</form>
</body>
</html>